<?php
$file = $_FILES['file'];//得到传输的数据
$res = array(
	'Files' => array(
    	array(
        	'Url' => 'http://img2.imgtn.bdimg.com/it/u=1524258206,3354910510&fm=26&gp=0.jpg'
        )
    )
);
echo(json_encode($res));